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广西交通投资集团有限公司高速公路施工标准化技术指南

高速公路施工标准化技术指南

路 基 分 册

广西交通投资集团有限公司

二〇一一年四月

广西交通投资集团有限公司高速公路施工标准化技术指南

目录

1.总则 ................................................................................ 1 1.1 目的和范围 ................................................................................................................................................. 1 1.2 编制依据 ..................................................................................................................................................... 1 2 路基工程施工准备 .................................................................... 2 2.1一般规定 ...................................................................................................................................................... 2 2.2技术准备 ...................................................................................................................................................... 2 2.3作业条件 ...................................................................................................................................................... 3 2.4安全文明施工 .............................................................................................................................................. 4 3 一般路基施工 ........................................................................ 5 3.1一般规定 ...................................................................................................................................................... 5 3.2挖方路基 ...................................................................................................................................................... 6 3 3 填方路基 ................................................................................................................................................... 9 3.4 雨季施工 ................................................................................................................................................. 17 3.5 安全文明施工 ......................................................................................................................................... 17 4 路基排水 .......................................................................... 19 4.1 一般规定 ................................................................................................................................................. 19 4.2 边沟、排水沟、截水沟 .......................................................................................................................... 20 4.3 跌水、急流槽 ......................................................................................................................................... 21 5 特殊路基处理 ...................................................................... 22 5.1 一般规定 ................................................................................................................................................. 22 5.2 盲沟、渗沟施工 ..................................................................................................................................... 23 5.3 软土地基处理 ......................................................................................................................................... 24 5.4 河、塘、湖（库）、海地区路基施工 .................................................................................................... 30 5.5 滑坡地段路基施工.................................................................................................................................. 31 5.6 岩溶地区路基施工 ................................................................................................................................... 33 5.7 安全文明施工 ......................................................................................................................................... 33 6 路基防护 .......................................................................... 33 6.1一般规定 .................................................................................................................................................... 34 6.2 浆砌片（块）石或混凝土预制块防护 .................................................................................................. 34

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广西交通投资集团有限公司高速公路施工标准化技术指南

6.3 护面墙防护 ............................................................................................................................................. 35 6.4 路基生态防护 ......................................................................................................................................... 36 7 挡土墙 ............................................................................ 36 7.1 一般要求 ................................................................................................................................................. 36 7.2 施工工序 ................................................................................................................................................. 36 7.3 施工要点 ................................................................................................................................................. 37 7.4 质量控制 ................................................................................................................................................. 38 8 预应力锚索（杆） .................................................................. 38 8.1 —般规定 ................................................................................................................................................. 38 8.2 施工工序 ................................................................................................................................................. 39 8.3 施工要点 ................................................................................................................................................. 39 8.4 质量控制 ................................................................................................................................................. 42 8.5 锚索（杆、地梁）框架 .......................................................................................................................... 43 8.6 锚索（杆）检测 ..................................................................................................................................... 44 9 涵洞、通道 ........................................................................ 45 9.1 一般规定 ................................................................................................................................................. 45 9.2 圆管涵 ..................................................................................................................................................... 45 9.3 盖板涵 ..................................................................................................................................................... 46 9.4 箱涵、通道 ............................................................................................................................................. 47 9.5 倒虹吸 ..................................................................................................................................................... 48 10 路基整修与路槽交接 ............................................................... 49 10.1 路堤整修 ............................................................................................................................................... 49 10.2 路堑整修 ............................................................................................................................................... 50 10.3 路槽移交 ................................................................................................................................................. 51 1 1 路基监测与观测 .................................................................. 51 11.1 一般规定 ................................................................................................................................................ 51 11.2 软基工程观测 ........................................................................................................................................ 51 11.3 路堑边坡或滑坡监测 ............................................................................................................................ 52 11.4 高路堤稳定和沉降观测 ........................................................................................................................ 54 12 取、弃土场的整治 ................................................................. 55

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